nutdec.s

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· S 代码 · 共 5,122 行 · 第 1/5 页

sll	$7,$17,7
or	$7,$3,$7
addu	$8,$6,$4
move	$5,$0
sltu	$3,$8,$6
addu	$9,$7,$5
addu	$9,$3,$9
andi	$2,$2,0x80
move	$16,$8
bne	$2,$0,$L127
move	$17,$9

sll	$2,$9,31
srl	$10,$8,1
andi	$3,$8,0x1
or	$10,$2,$10
bne	$3,$0,$L129
srl	$11,$9,1

li	$2,1			# 0x1
beq	$10,$2,$L203
nop

$L131:
lw	$5,76($sp)
slt	$2,$19,$5
beq	$2,$0,$L134
nop

lw	$2,64($sp)
move	$5,$19
j	$L145
addu	$6,$2,$19

$L144:
lw	$7,76($sp)
$L213:
slt	$2,$5,$7
beq	$2,$0,$L134
addiu	$6,$6,1

$L145:
sll	$4,$11,31
srl	$2,$10,1
or	$2,$4,$2
srl	$3,$11,1
andi	$4,$10,0x1
move	$10,$2
li	$2,1			# 0x1
move	$11,$3
sb	$4,0($6)
bne	$10,$2,$L144
addiu	$5,$5,1

bne	$3,$0,$L213
lw	$7,76($sp)

$L133:
lw	$3,64($sp)
$L217:
lb	$2,0($3)
bne	$2,$0,$L176
lw	$4,76($sp)

slt	$2,$4,$5
bne	$2,$0,$L148
lui	$7,%hi(__PRETTY_FUNCTION__.6538)

slt	$2,$19,$5
bne	$2,$0,$L204
lw	$6,68($sp)

$L151:
slt	$2,$19,$fp
bne	$2,$0,$L214
move	$16,$0

lw	$3,96($21)
$L164:
lw	$6,72($sp)
addiu	$20,$20,4
addiu	$6,$6,1
sltu	$2,$6,$3
bne	$2,$0,$L165
sw	$6,72($sp)

lw	$7,80($sp)
$L212:
lw	$3,84($sp)
addu	$16,$22,$7
sltu	$2,$16,$22
addu	$17,$23,$3
move	$4,$18
jal	url_ftell
addu	$17,$2,$17

subu	$6,$16,$2
sltu	$4,$16,$6
subu	$7,$17,$3
subu	$7,$7,$4
bltz	$7,$L166
move	$4,$18

or	$2,$6,$7
beq	$2,$0,$L170
move	$16,$6

move	$17,$7
$L172:
jal	get_byte
move	$4,$18

addiu	$4,$16,-1
sltu	$2,$4,$16
addiu	$5,$17,-1
addu	$5,$2,$5
or	$2,$4,$5
move	$16,$4
bne	$2,$0,$L172
move	$17,$5

$L170:
jal	get_checksum
move	$4,$18

beq	$2,$0,$L215
lw	$31,140($sp)

lui	$6,%hi($LC14)
$L209:
move	$4,$21
addiu	$6,$6,%lo($LC14)
jal	av_log
move	$5,$0

j	$L106
li	$2,-1			# 0xffffffffffffffff

$L113:
lui	$6,%hi($LC8)
$L211:
move	$4,$21
addiu	$6,$6,%lo($LC8)
move	$5,$0
sw	$8,16($sp)
jal	av_log
sw	$9,20($sp)

j	$L106
li	$2,-1			# 0xffffffffffffffff

$L129:
sll	$4,$11,31
srl	$6,$10,1
or	$6,$4,$6
sra	$3,$19,31
srl	$7,$11,1
addu	$12,$6,$19
lw	$8,76($sp)
sltu	$4,$12,$6
addu	$13,$7,$3
addu	$4,$4,$13
sra	$9,$8,31
sltu	$2,$4,$9
bne	$2,$0,$L138
nop

beq	$4,$9,$L205
nop

$L136:
lui	$6,%hi($LC10)
move	$4,$21
addiu	$6,$6,%lo($LC10)
jal	av_log
move	$5,$0

j	$L106
li	$2,-1			# 0xffffffffffffffff

$L175:
move	$2,$0
move	$3,$0
move	$4,$21
addiu	$6,$6,%lo($LC9)
move	$5,$0
sw	$2,16($sp)
jal	av_log
sw	$3,20($sp)

j	$L106
li	$2,-1			# 0xffffffffffffffff

$L205:
sltu	$2,$12,$8
beq	$2,$0,$L136
nop

$L138:
addiu	$8,$6,-1
sltu	$2,$8,$6
addiu	$9,$7,-1
addu	$9,$2,$9
li	$2,-1			# 0xffffffffffffffff
beq	$8,$2,$L206
andi	$11,$10,0x1

lw	$3,64($sp)
$L216:
sll	$10,$11,24
sra	$10,$10,24
addu	$5,$3,$19
$L142:
addiu	$2,$6,-1
sltu	$4,$2,$6
addiu	$3,$7,-1
addu	$3,$4,$3
or	$4,$2,$3
sb	$10,0($5)
move	$6,$2
move	$7,$3
bne	$4,$0,$L142
addiu	$5,$5,1

addu	$2,$19,$8
addiu	$2,$2,1
$L141:
lw	$4,64($sp)
sltu	$3,$11,1
addiu	$5,$2,1
addu	$2,$4,$2
j	$L133
sb	$3,0($2)

$L203:
bne	$11,$0,$L131
move	$5,$19

j	$L217
lw	$3,64($sp)

$L134:
lui	$6,%hi($LC11)
move	$4,$21
addiu	$6,$6,%lo($LC11)
jal	av_log
move	$5,$0

j	$L106
li	$2,-1			# 0xffffffffffffffff

$L206:
bne	$9,$2,$L216
lw	$3,64($sp)

j	$L141
move	$2,$19

$L204:
lw	$7,64($sp)
sll	$2,$19,3
addu	$7,$19,$7
addu	$2,$6,$2
subu	$5,$5,$19
sw	$2,40($sp)
sw	$5,88($sp)
sw	$7,44($sp)
sw	$0,48($sp)
move	$3,$7
$L152:
lb	$2,0($3)
bne	$2,$0,$L207
move	$16,$0

$L153:
lw	$2,48($sp)
lw	$4,40($sp)
lw	$5,88($sp)
addiu	$2,$2,1
addiu	$3,$3,1
addiu	$4,$4,8
sw	$2,48($sp)
sw	$3,44($sp)
bne	$2,$5,$L152
sw	$4,40($sp)

j	$L151
addu	$19,$19,$2

$L207:
move	$17,$0
$L155:
jal	get_byte
move	$4,$18

andi	$6,$2,0x7f
srl	$3,$16,25
sll	$8,$16,7
sll	$9,$17,7
or	$9,$3,$9
addu	$4,$8,$6
move	$7,$0
sltu	$3,$4,$8
addu	$5,$9,$7
addu	$5,$3,$5
andi	$2,$2,0x80
move	$16,$4
bne	$2,$0,$L155
move	$17,$5

or	$2,$4,$5
beq	$2,$0,$L177
move	$12,$0

move	$13,$0
lw	$4,40($sp)
$L208:
lw	$5,56($sp)
lw	$6,40($sp)
lw	$9,-8($4)
addu	$2,$16,$5
lw	$7,60($sp)
lw	$5,-4($6)
lw	$4,100($20)
sltu	$10,$2,$16
srl	$8,$9,28
addu	$3,$17,$7
sll	$7,$5,4
addu	$3,$10,$3
li	$5,1			# 0x1
or	$7,$8,$7
sll	$6,$9,4
sw	$3,20($sp)
sw	$5,32($sp)
sw	$12,96($sp)
sw	$13,100($sp)
sw	$2,16($sp)
sw	$0,24($sp)
jal	av_add_index_entry
sw	$0,28($sp)

lw	$12,96($sp)
lw	$13,100($sp)
addu	$4,$12,$16
sltu	$6,$4,$12
addu	$5,$13,$17
addu	$5,$6,$5
lw	$6,56($sp)
lw	$7,60($sp)
addu	$2,$6,$4
sltu	$6,$2,$6
addu	$3,$7,$5
addu	$3,$6,$3
sw	$3,60($sp)
lw	$3,44($sp)
j	$L153
sw	$2,56($sp)

$L177:
jal	get_byte
move	$4,$18

andi	$6,$2,0x7f
srl	$3,$16,25
sll	$8,$16,7
sll	$9,$17,7
or	$9,$3,$9
addu	$4,$8,$6
move	$7,$0
sltu	$3,$4,$8
addu	$5,$9,$7
addu	$5,$3,$5
andi	$2,$2,0x80
move	$16,$4
bne	$2,$0,$L177
move	$17,$5

move	$12,$0
move	$13,$0
$L162:
move	$4,$18
sw	$12,96($sp)
jal	get_byte
sw	$13,100($sp)

lw	$12,96($sp)
lw	$13,100($sp)
srl	$3,$12,25
sll	$8,$12,7
sll	$9,$13,7
andi	$6,$2,0x7f
or	$9,$3,$9
addu	$4,$8,$6
move	$7,$0
sltu	$3,$4,$8
addu	$5,$9,$7
addu	$5,$3,$5
andi	$2,$2,0x80
move	$12,$4
bne	$2,$0,$L162
move	$13,$5

j	$L208
lw	$4,40($sp)

$L176:
lui	$6,%hi($LC12)
move	$4,$21
addiu	$6,$6,%lo($LC12)
jal	av_log
move	$5,$0

j	$L106
li	$2,-1			# 0xffffffffffffffff

$L148:
lui	$4,%hi($LC13)
lui	$5,%hi($LC3)
addiu	$4,$4,%lo($LC13)
addiu	$5,$5,%lo($LC3)
addiu	$7,$7,%lo(__PRETTY_FUNCTION__.6538)
jal	__assert_fail
li	$6,512			# 0x200

$L166:
li	$2,1			# 0x1
jal	url_fseek
sw	$2,16($sp)

j	$L209
lui	$6,%hi($LC14)

.set	macro
.set	reorder
.end	find_and_decode_index
.globl	__moddi3
.section	.rodata.str1.4
.align	2
$LC15:
.ascii	"sync point checksum mismatch\012\000"
.globl	__divdi3
.section	.rodata.cst8
.align	3
$LC16:
.word	0
.word	1093567616
.section	.text.decode_syncpoint,"ax",@progbits
.align	2
.align	5
.ent	decode_syncpoint
.type	decode_syncpoint, @function
decode_syncpoint:
.frame	$sp,88,$31		# vars= 16, regs= 10/0, args= 32, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-88
sw	$31,84($sp)
sw	$23,76($sp)
sw	$22,72($sp)
sw	$19,60($sp)
sw	$18,56($sp)
sw	$17,52($sp)
sw	$16,48($sp)
sw	$fp,80($sp)
sw	$21,68($sp)
sw	$20,64($sp)
lw	$fp,0($4)
move	$19,$4
addiu	$18,$fp,16
move	$4,$18
sw	$5,92($sp)
jal	url_ftell
sw	$6,96($sp)

addiu	$4,$2,-8
sltu	$6,$4,$2
addiu	$5,$3,-1
addu	$5,$6,$5
li	$2,-288751616			# 0xffffffffeeca0000
li	$3,1313538048			# 0x4e4b0000
sw	$4,3104($19)
sw	$5,3108($19)
ori	$3,$3,0xe4ad
move	$4,$19
move	$5,$18
li	$6,1			# 0x1
ori	$2,$2,0x4569
sw	$3,20($sp)
jal	get_packetheader
sw	$2,16($sp)

move	$4,$18
move	$22,$2
jal	url_ftell
sra	$23,$2,31

sw	$2,40($sp)
sw	$3,44($sp)
move	$16,$0
move	$17,$0
$L219:
jal	get_byte
move	$4,$18

andi	$4,$2,0x7f
srl	$3,$16,25
sll	$6,$16,7
sll	$7,$17,7
or	$7,$3,$7
addu	$20,$6,$4
move	$5,$0
sltu	$3,$20,$6
addu	$21,$7,$5
addu	$21,$3,$21
andi	$2,$2,0x80
move	$16,$20
bne	$2,$0,$L219
move	$17,$21

lw	$2,3104($19)
lw	$3,3108($19)
sw	$2,32($sp)
sw	$3,36($sp)
move	$16,$0
move	$17,$0
$L221:
jal	get_byte
move	$4,$18

andi	$4,$2,0x7f
srl	$3,$16,25
sll	$6,$16,7
sll	$7,$17,7
or	$7,$3,$7
addu	$8,$6,$4
move	$5,$0
sltu	$3,$8,$6
addu	$9,$7,$5
addu	$9,$3,$9
andi	$2,$2,0x80
move	$16,$8
bne	$2,$0,$L221
move	$17,$9

lw	$6,32($sp)
srl	$2,$8,28
sll	$4,$8,4
sll	$5,$9,4
lw	$7,36($sp)
or	$5,$2,$5
subu	$2,$6,$4
sltu	$6,$6,$2
lw	$4,96($sp)
subu	$3,$7,$5
subu	$3,$3,$6
sw	$2,0($4)
bltz	$3,$L242
sw	$3,4($4)

lw	$6,3096($19)
move	$7,$0
move	$4,$20
jal	__moddi3
move	$5,$21

lw	$4,3116($19)
sll	$2,$2,3
addu	$2,$2,$4
sw	$20,16($sp)
sw	$21,20($sp)
lw	$6,4($2)
lw	$5,0($2)
jal	ff_nut_reset_ts
move	$4,$19

jal	url_ftell
move	$4,$18

lw	$6,40($sp)
lw	$7,44($sp)
addu	$4,$22,$6
sltu	$6,$4,$22
addu	$5,$23,$7
addu	$5,$6,$5
subu	$8,$4,$2
sltu	$6,$4,$8
subu	$9,$5,$3
subu	$9,$9,$6
bltz	$9,$L227
or	$2,$8,$9

beq	$2,$0,$L231
move	$16,$8

move	$17,$9
$L233:
jal	get_byte
move	$4,$18

addiu	$4,$16,-1
sltu	$2,$4,$16
addiu	$5,$17,-1
addu	$5,$2,$5
or	$2,$4,$5
move	$16,$4
bne	$2,$0,$L233
move	$17,$5

$L231:
jal	get_checksum
move	$4,$18

beq	$2,$0,$L243
lui	$6,%hi($LC15)

move	$4,$fp
addiu	$6,$6,%lo($LC15)
jal	av_log
move	$5,$0

$L242:
lw	$31,84($sp)
$L244:
lw	$fp,80($sp)
lw	$23,76($sp)
lw	$22,72($sp)
lw	$21,68($sp)
lw	$20,64($sp)
lw	$19,60($sp)
lw	$18,56($sp)
lw	$17,52($sp)
lw	$16,48($sp)
li	$2,-1			# 0xffffffffffffffff
j	$31
addiu	$sp,$sp,88

$L243:
lw	$16,96($fp)
move	$17,$0
move	$4,$20
move	$5,$21
move	$6,$16
jal	__moddi3
move	$7,$17

lw	$8,3116($19)
move	$6,$16
move	$7,$17
move	$4,$20
move	$5,$21
sll	$18,$2,3
jal	__divdi3
addu	$18,$18,$8

move	$5,$3
jal	__floatdidf
move	$4,$2

lw	$4,0($18)
move	$20,$2
jal	__floatsidf
move	$21,$3

lw	$4,4($18)
move	$16,$2
jal	__floatsidf
move	$17,$3

move	$6,$2
move	$4,$16
move	$5,$17
jal	__divdf3
move	$7,$3

lui	$4,%hi($LC16)
lw	$6,%lo($LC16)($4)
lw	$7,%lo($LC16+4)($4)
move	$5,$3
jal	__muldf3
move	$4,$2

move	$6,$2
move	$4,$20
move	$5,$21
jal	__muldf3
move	$7,$3

move	$4,$2
jal	__fixdfdi
move	$5,$3

lw	$4,92($sp)
sw	$2,0($4)
sw	$3,4($4)
lw	$4,96($sp)
lw	$6,3104($19)
lw	$7,3108($19)
lw	$8,0($4)
lw	$9,4($4)
move	$4,$19
sw	$2,24($sp)
sw	$8,16($sp)
sw	$9,20($sp)
jal	ff_nut_add_sp
sw	$3,28($sp)

lw	$31,84($sp)
lw	$fp,80($sp)
lw	$23,76($sp)
lw	$22,72($sp)
lw	$21,68($sp)
lw	$20,64($sp)
lw	$19,60($sp)
lw	$18,56($sp)
lw	$17,52($sp)
lw	$16,48($sp)
move	$2,$0
j	$31
addiu	$sp,$sp,88

$L227:
move	$4,$18
move	$6,$8
move	$7,$9
li	$2,1			# 0x1
jal	url_fseek
sw	$2,16($sp)

lui	$6,%hi($LC15)
move	$4,$fp
addiu	$6,$6,%lo($LC15)
jal	av_log
move	$5,$0

j	$L244
lw	$31,84($sp)

.set	macro
.set	reorder
.end	decode_syncpoint
.section	.rodata.str1.4
.align	2
$LC17:
.ascii	"read_timestamp(X,%d,%lld,%lld)\012\000"
.align	2
$LC18:
.ascii	"nut->next_startcode == 0\000"
.align	2
$LC19:
.ascii	"read_timestamp failed.\012\000"
.align	2
$LC20:
.ascii	"nut->last_syncpoint_pos == *pos_arg\000"
.align	2
$LC21:
.ascii	"return %lld %lld\012\000"
.align	2
$LC22:
.ascii	"0\000"
.section	.text.nut_read_timestamp,"ax",@progbits
.align	2
.align	5
.ent	nut_read_timestamp
.type	nut_read_timestamp, @function
nut_read_timestamp:
.frame	$sp,88,$31		# vars= 16, regs= 10/0, args= 32, gp= 0
.mask	0xc0ff0000,-4
.fmask	0x00000000,0
.set	noreorder
.set	nomacro

addiu	$sp,$sp,-88
sw	$fp,80($sp)
sw	$23,76($sp)
sw	$22,72($sp)
sw	$18,56($sp)
sw	$17,52($sp)
sw	$16,48($sp)
sw	$31,84($sp)
sw	$21,68($sp)
sw	$20,64($sp)
sw	$19,60($sp)
lw	$8,0($6)
lw	$9,4($6)
lw	$2,104($sp)
lw	$3,108($sp)
move	$23,$6
move	$fp,$5
lui	$6,%hi($LC17)
sw	$8,16($sp)
sw	$9,20($sp)
sw	$2,24($sp)
sw	$3,28($sp)
addiu	$6,$6,%lo($LC17)
li	$5,2			# 0x2
move	$7,$fp
move	$22,$4
jal	av_log
lw	$19,12($4)

lw	$16,0($23)
lw	$17,4($23)
addiu	$18,$22,16
$L246:
bltz	$17,$L275
move	$6,$16

move	$7,$17
move	$4,$18
jal	url_fseek
sw	$0,16($sp)

$L275:
move	$16,$0
$L290:
move	$17,$0
$L281:
jal	url_feof
move	$4,$18

bne	$2,$0,$L255
nop

jal	get_byte
move	$4,$18

srl	$6,$16,24
sll	$5,$17,8
sra	$3,$2,31
or	$5,$6,$5
sll	$4,$16,8
or	$17,$5,$3
or	$16,$4,$2
srl	$4,$17,24
li	$2,78			# 0x4e
bne	$4,$2,$L281
move	$5,$0

bne	$5,$0,$L281
li	$6,526319616			# 0x1f5f0000

li	$7,1313669120			# 0x4e4d0000
move	$4,$16
move	$5,$17
ori	$6,$6,0x4ad
jal	__ucmpdi2
ori	$7,$7,0x7a56

li	$20,1			# 0x1
beq	$2,$20,$L253
sltu	$2,$2,2

beq	$2,$0,$L254
li	$6,1542586368			# 0x5bf20000

li	$6,-1248460800			# 0xffffffffb5960000
li	$7,1313406976			# 0x4e490000
move	$4,$16
move	$5,$17
ori	$6,$6,0xba78
jal	__ucmpdi2
ori	$7,$7,0xab68

beq	$2,$20,$L253
li	$6,-288751616			# 0xffffffffeeca0000

li	$7,1313538048			# 0x4e4b0000
move	$4,$16
move	$5,$17
ori	$6,$6,0x4569
jal	__ucmpdi2
ori	$7,$7,0xe4ad

bne	$2,$20,$L281
nop

$L253:
li	$2,-288751616			# 0xffffffffeeca0000
ori	$2,$2,0x4569
beq	$16,$2,$L289
li	$2,1313538048			# 0x4e4b0000

or	$2,$16,$17
$L291:
bne	$2,$0,$L290
move	$16,$0

$L255:
lw	$3,3084($19)
$L288:
lw	$2,3080($19)
or	$2,$2,$3
bne	$2,$0,$L284
lui	$6,%hi($LC19)

move	$4,$22
addiu	$6,$6,%lo($LC19)
jal	av_log
move	$5,$0

move	$2,$0
li	$3,-2147483648			# 0xffffffff80000000
$L262:
lw	$31,84($sp)
lw	$fp,80($sp)
lw	$23,76($sp)
lw	$22,72($sp)
lw	$21,68($sp)
lw	$20,64($sp)
lw	$19,60($sp)
lw	$18,56($sp)
lw	$17,52($sp)
lw	$16,48($sp)
j	$31
addiu	$sp,$sp,88

$L254:
li	$7,1314062336			# 0x4e530000
move	$4,$16
move	$5,$17
ori	$6,$6,0xf9db
jal	__ucmpdi2
ori	$7,$7,0x1140

beq	$2,$20,$L253
li	$6,790822912			# 0x2f230000

li	$7,1314390016			# 0x4e580000
move	$4,$16
move	$5,$17
ori	$6,$6,0xe64e
jal	__ucmpdi2
ori	$7,$7,0xdd67

bne	$2,$20,$L281
li	$2,-288751616			# 0xffffffffeeca0000

ori	$2,$2,0x4569
bne	$16,$2,$L291
or	$2,$16,$17

li	$2,1313538048			# 0x4e4b0000
$L289:
ori	$2,$2,0xe4ad
bne	$17,$2,$L291
or	$2,$16,$17

jal	url_ftell
move	$4,$18

addiu	$20,$2,-7
sltu	$4,$20,$2
addiu	$21,$3,-1
addu	$21,$4,$21
move	$16,$20
blez	$21,$L285
move	$17,$21

move	$4,$19
$L292:
addiu	$5,$sp,32
jal	decode_syncpoint
addiu	$6,$sp,40

bltz	$2,$L246
addiu	$2,$20,-1

sltu	$4,$2,$20
addiu	$3,$21,-1
addu	$5,$4,$3
sw	$2,0($23)
sw	$5,4($23)
lw	$4,3104($19)
beq	$4,$2,$L286
lui	$4,%hi($LC20)

$L293:
lui	$5,%hi($LC3)
lui	$7,%hi(__PRETTY_FUNCTION__.6825)
addiu	$4,$4,%lo($LC20)
addiu	$5,$5,%lo($LC3)
addiu	$7,$7,%lo(__PRETTY_FUNCTION__.6825)
jal	__assert_fail
li	$6,768			# 0x300

$L285:
bne	$21,$0,$L255
nop

bgtu	$20,$0,$L292
move	$4,$19

j	$L288
lw	$3,3084($19)

$L284:
lui	$4,%hi($LC18)
lui	$5,%hi($LC3)
lui	$7,%hi(__PRETTY_FUNCTION__.6825)
addiu	$4,$4,%lo($LC18)
addiu	$5,$5,%lo($LC3)
addiu	$7,$7,%lo(__PRETTY_FUNCTION__.6825)
jal	__assert_fail
li	$6,762			# 0x2fa

$L286:
lw	$2,3108($19)
bne	$2,$5,$L293
nop

lw	$2,32($sp)
lw	$3,36($sp)
lw	$8,40($sp)
lw	$9,44($sp)
lui	$6,%hi($LC21)
move	$4,$22
addiu	$6,$6,%lo($LC21)
li	$5,2			# 0x2
sw	$2,16($sp)
sw	$3,20($sp)
sw	$8,24($sp)
jal	av_log